#include"stdio.h"
#include"string.h"
#include"stdlib.h"

int main()
{
  char who[32];
  strcpy(who,getenv("USER"));
  if(strcmp(who,"root")==0)
  {
    printf("你可以做任何事\n");
  }
  else if(strcmp(who,"zsd")==0)
  {
    printf("权限不足\n");
  }
  
  return 0;
}
